Annotation of mandoc/mdoc_macro.c, Revision 1.215
1.215 ! schwarze 1: /* $Id: mdoc_macro.c,v 1.214 2017/02/11 14:11:17 schwarze Exp $ */
1.1 kristaps 2: /*
1.116 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.209 schwarze 4: * Copyright (c) 2010, 2012-2016 Ingo Schwarze <schwarze@openbsd.org>
1.1 kristaps 5: *
6: * Permission to use, copy, modify, and distribute this software for any
1.8 kristaps 7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 9: *
1.184 schwarze 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.8 kristaps 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.184 schwarze 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.8 kristaps 13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 17: */
1.40 kristaps 18: #include "config.h"
1.140 schwarze 19:
20: #include <sys/types.h>
1.40 kristaps 21:
1.1 kristaps 22: #include <assert.h>
23: #include <ctype.h>
24: #include <stdlib.h>
25: #include <stdio.h>
26: #include <string.h>
1.38 kristaps 27: #include <time.h>
1.1 kristaps 28:
1.184 schwarze 29: #include "mandoc.h"
30: #include "roff.h"
1.106 kristaps 31: #include "mdoc.h"
1.184 schwarze 32: #include "libmandoc.h"
1.190 schwarze 33: #include "roff_int.h"
1.1 kristaps 34: #include "libmdoc.h"
35:
1.151 schwarze 36: static void blk_full(MACRO_PROT_ARGS);
37: static void blk_exp_close(MACRO_PROT_ARGS);
38: static void blk_part_exp(MACRO_PROT_ARGS);
39: static void blk_part_imp(MACRO_PROT_ARGS);
40: static void ctx_synopsis(MACRO_PROT_ARGS);
41: static void in_line_eoln(MACRO_PROT_ARGS);
42: static void in_line_argn(MACRO_PROT_ARGS);
43: static void in_line(MACRO_PROT_ARGS);
44: static void phrase_ta(MACRO_PROT_ARGS);
1.53 kristaps 45:
1.189 schwarze 46: static void append_delims(struct roff_man *, int, int *, char *);
47: static void dword(struct roff_man *, int, int, const char *,
1.187 schwarze 48: enum mdelim, int);
1.189 schwarze 49: static int find_pending(struct roff_man *, int, int, int,
1.187 schwarze 50: struct roff_node *);
1.189 schwarze 51: static int lookup(struct roff_man *, int, int, int, const char *);
1.153 schwarze 52: static int macro_or_word(MACRO_PROT_ARGS, int);
1.213 schwarze 53: static void break_intermediate(struct roff_node *,
54: struct roff_node *);
1.189 schwarze 55: static int parse_rest(struct roff_man *, int, int, int *, char *);
1.185 schwarze 56: static int rew_alt(int);
1.189 schwarze 57: static void rew_elem(struct roff_man *, int);
58: static void rew_last(struct roff_man *, const struct roff_node *);
59: static void rew_pending(struct roff_man *,
60: const struct roff_node *);
1.1 kristaps 61:
62: const struct mdoc_macro __mdoc_macros[MDOC_MAX] = {
1.123 schwarze 63: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ap */
1.1 kristaps 64: { in_line_eoln, MDOC_PROLOGUE }, /* Dd */
65: { in_line_eoln, MDOC_PROLOGUE }, /* Dt */
66: { in_line_eoln, MDOC_PROLOGUE }, /* Os */
1.123 schwarze 67: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* Sh */
68: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* Ss */
69: { in_line_eoln, 0 }, /* Pp */
70: { blk_part_imp, MDOC_PARSED | MDOC_JOIN }, /* D1 */
71: { blk_part_imp, MDOC_PARSED | MDOC_JOIN }, /* Dl */
1.1 kristaps 72: { blk_full, MDOC_EXPLICIT }, /* Bd */
1.123 schwarze 73: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ed */
1.1 kristaps 74: { blk_full, MDOC_EXPLICIT }, /* Bl */
1.123 schwarze 75: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* El */
76: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* It */
77: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ad */
78: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* An */
1.1 kristaps 79: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ar */
1.129 schwarze 80: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Cd */
1.1 kristaps 81: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Cm */
1.123 schwarze 82: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Dv */
83: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Er */
84: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ev */
1.1 kristaps 85: { in_line_eoln, 0 }, /* Ex */
1.123 schwarze 86: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fa */
87: { in_line_eoln, 0 }, /* Fd */
1.1 kristaps 88: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fl */
1.123 schwarze 89: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fn */
90: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ft */
1.128 schwarze 91: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ic */
1.18 kristaps 92: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* In */
1.123 schwarze 93: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Li */
94: { blk_full, MDOC_JOIN }, /* Nd */
95: { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Nm */
1.1 kristaps 96: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Op */
1.132 schwarze 97: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ot */
1.1 kristaps 98: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Pa */
99: { in_line_eoln, 0 }, /* Rv */
1.123 schwarze 100: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* St */
1.1 kristaps 101: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Va */
1.123 schwarze 102: { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Vt */
1.42 kristaps 103: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Xr */
1.123 schwarze 104: { in_line_eoln, MDOC_JOIN }, /* %A */
105: { in_line_eoln, MDOC_JOIN }, /* %B */
106: { in_line_eoln, MDOC_JOIN }, /* %D */
107: { in_line_eoln, MDOC_JOIN }, /* %I */
108: { in_line_eoln, MDOC_JOIN }, /* %J */
1.1 kristaps 109: { in_line_eoln, 0 }, /* %N */
1.123 schwarze 110: { in_line_eoln, MDOC_JOIN }, /* %O */
1.1 kristaps 111: { in_line_eoln, 0 }, /* %P */
1.123 schwarze 112: { in_line_eoln, MDOC_JOIN }, /* %R */
113: { in_line_eoln, MDOC_JOIN }, /* %T */
1.1 kristaps 114: { in_line_eoln, 0 }, /* %V */
1.123 schwarze 115: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
116: MDOC_EXPLICIT | MDOC_JOIN }, /* Ac */
117: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
118: MDOC_EXPLICIT | MDOC_JOIN }, /* Ao */
119: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Aq */
1.1 kristaps 120: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* At */
1.123 schwarze 121: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
122: MDOC_EXPLICIT | MDOC_JOIN }, /* Bc */
123: { blk_full, MDOC_EXPLICIT }, /* Bf */
124: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
125: MDOC_EXPLICIT | MDOC_JOIN }, /* Bo */
126: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Bq */
1.1 kristaps 127: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bsx */
128: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bx */
129: { in_line_eoln, 0 }, /* Db */
1.123 schwarze 130: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
131: MDOC_EXPLICIT | MDOC_JOIN }, /* Dc */
132: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
133: MDOC_EXPLICIT | MDOC_JOIN }, /* Do */
134: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Dq */
135: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Ec */
136: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ef */
137: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Em */
1.1 kristaps 138: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Eo */
139: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Fx */
1.11 kristaps 140: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ms */
1.144 schwarze 141: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* No */
1.123 schwarze 142: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED |
143: MDOC_IGNDELIM | MDOC_JOIN }, /* Ns */
1.1 kristaps 144: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Nx */
145: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ox */
1.123 schwarze 146: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
147: MDOC_EXPLICIT | MDOC_JOIN }, /* Pc */
1.52 kristaps 148: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_IGNDELIM }, /* Pf */
1.123 schwarze 149: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
150: MDOC_EXPLICIT | MDOC_JOIN }, /* Po */
151: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Pq */
152: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
153: MDOC_EXPLICIT | MDOC_JOIN }, /* Qc */
154: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ql */
155: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
156: MDOC_EXPLICIT | MDOC_JOIN }, /* Qo */
157: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Qq */
158: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Re */
1.1 kristaps 159: { blk_full, MDOC_EXPLICIT }, /* Rs */
1.123 schwarze 160: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
161: MDOC_EXPLICIT | MDOC_JOIN }, /* Sc */
162: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
163: MDOC_EXPLICIT | MDOC_JOIN }, /* So */
164: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sq */
1.147 schwarze 165: { in_line_argn, 0 }, /* Sm */
1.123 schwarze 166: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sx */
167: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sy */
1.1 kristaps 168: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Tn */
1.123 schwarze 169: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ux */
1.1 kristaps 170: { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Xc */
171: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Xo */
1.123 schwarze 172: { blk_full, MDOC_EXPLICIT | MDOC_CALLABLE }, /* Fo */
173: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
174: MDOC_EXPLICIT | MDOC_JOIN }, /* Fc */
175: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
176: MDOC_EXPLICIT | MDOC_JOIN }, /* Oo */
177: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
178: MDOC_EXPLICIT | MDOC_JOIN }, /* Oc */
1.1 kristaps 179: { blk_full, MDOC_EXPLICIT }, /* Bk */
1.123 schwarze 180: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ek */
1.1 kristaps 181: { in_line_eoln, 0 }, /* Bt */
182: { in_line_eoln, 0 }, /* Hf */
1.132 schwarze 183: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fr */
1.1 kristaps 184: { in_line_eoln, 0 }, /* Ud */
1.69 kristaps 185: { in_line, 0 }, /* Lb */
1.123 schwarze 186: { in_line_eoln, 0 }, /* Lp */
187: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Lk */
188: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Mt */
189: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Brq */
190: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
191: MDOC_EXPLICIT | MDOC_JOIN }, /* Bro */
192: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
193: MDOC_EXPLICIT | MDOC_JOIN }, /* Brc */
194: { in_line_eoln, MDOC_JOIN }, /* %C */
1.132 schwarze 195: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Es */
196: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* En */
1.1 kristaps 197: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Dx */
1.123 schwarze 198: { in_line_eoln, MDOC_JOIN }, /* %Q */
1.20 kristaps 199: { in_line_eoln, 0 }, /* br */
200: { in_line_eoln, 0 }, /* sp */
1.37 kristaps 201: { in_line_eoln, 0 }, /* %U */
1.123 schwarze 202: { phrase_ta, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ta */
1.143 schwarze 203: { in_line_eoln, MDOC_PROLOGUE }, /* ll */
1.1 kristaps 204: };
205:
206: const struct mdoc_macro * const mdoc_macros = __mdoc_macros;
207:
208:
209: /*
210: * This is called at the end of parsing. It must traverse up the tree,
211: * closing out open [implicit] scopes. Obviously, open explicit scopes
212: * are errors.
213: */
1.151 schwarze 214: void
1.195 schwarze 215: mdoc_endparse(struct roff_man *mdoc)
1.1 kristaps 216: {
1.185 schwarze 217: struct roff_node *n;
1.1 kristaps 218:
219: /* Scan for open explicit scopes. */
220:
1.210 schwarze 221: n = mdoc->last->flags & NODE_VALID ?
1.131 schwarze 222: mdoc->last->parent : mdoc->last;
1.1 kristaps 223:
1.94 schwarze 224: for ( ; n; n = n->parent)
1.184 schwarze 225: if (n->type == ROFFT_BLOCK &&
1.151 schwarze 226: mdoc_macros[n->tok].flags & MDOC_EXPLICIT)
1.137 schwarze 227: mandoc_msg(MANDOCERR_BLK_NOEND, mdoc->parse,
228: n->line, n->pos, mdoc_macronames[n->tok]);
1.1 kristaps 229:
1.32 kristaps 230: /* Rewind to the first. */
231:
1.149 schwarze 232: rew_last(mdoc, mdoc->first);
1.206 schwarze 233: mdoc_state_reset(mdoc);
1.1 kristaps 234: }
235:
1.32 kristaps 236: /*
1.153 schwarze 237: * Look up the macro at *p called by "from",
1.191 schwarze 238: * or as a line macro if from == TOKEN_NONE.
1.32 kristaps 239: */
1.185 schwarze 240: static int
1.189 schwarze 241: lookup(struct roff_man *mdoc, int from, int line, int ppos, const char *p)
1.28 kristaps 242: {
1.185 schwarze 243: int res;
1.1 kristaps 244:
1.205 schwarze 245: if (mdoc->flags & MDOC_PHRASEQF) {
246: mdoc->flags &= ~MDOC_PHRASEQF;
247: return TOKEN_NONE;
248: }
1.191 schwarze 249: if (from == TOKEN_NONE || mdoc_macros[from].flags & MDOC_PARSED) {
1.153 schwarze 250: res = mdoc_hash_find(p);
1.191 schwarze 251: if (res != TOKEN_NONE) {
1.155 schwarze 252: if (mdoc_macros[res].flags & MDOC_CALLABLE)
1.202 schwarze 253: return res;
1.155 schwarze 254: if (res != MDOC_br && res != MDOC_sp && res != MDOC_ll)
255: mandoc_msg(MANDOCERR_MACRO_CALL,
256: mdoc->parse, line, ppos, p);
257: }
1.153 schwarze 258: }
1.202 schwarze 259: return TOKEN_NONE;
1.1 kristaps 260: }
261:
1.166 schwarze 262: /*
263: * Rewind up to and including a specific node.
264: */
1.149 schwarze 265: static void
1.189 schwarze 266: rew_last(struct roff_man *mdoc, const struct roff_node *to)
1.1 kristaps 267: {
268:
1.210 schwarze 269: if (to->flags & NODE_VALID)
1.186 schwarze 270: return;
271:
1.1 kristaps 272: while (mdoc->last != to) {
1.206 schwarze 273: mdoc_state(mdoc, mdoc->last);
1.210 schwarze 274: mdoc->last->flags |= NODE_VALID | NODE_ENDED;
1.206 schwarze 275: mdoc->last = mdoc->last->parent;
1.1 kristaps 276: }
1.206 schwarze 277: mdoc_state(mdoc, mdoc->last);
1.210 schwarze 278: mdoc->last->flags |= NODE_VALID | NODE_ENDED;
1.200 schwarze 279: mdoc->next = ROFF_NEXT_SIBLING;
1.1 kristaps 280: }
281:
1.32 kristaps 282: /*
1.166 schwarze 283: * Rewind up to a specific block, including all blocks that broke it.
284: */
285: static void
1.189 schwarze 286: rew_pending(struct roff_man *mdoc, const struct roff_node *n)
1.166 schwarze 287: {
288:
1.183 schwarze 289: for (;;) {
290: rew_last(mdoc, n);
291:
1.194 schwarze 292: if (mdoc->last == n) {
293: switch (n->type) {
294: case ROFFT_HEAD:
295: roff_body_alloc(mdoc, n->line, n->pos,
296: n->tok);
1.207 schwarze 297: break;
1.194 schwarze 298: case ROFFT_BLOCK:
299: break;
300: default:
301: return;
302: }
1.210 schwarze 303: if ( ! (n->flags & NODE_BROKEN))
1.194 schwarze 304: return;
305: } else
306: n = mdoc->last;
1.166 schwarze 307:
1.183 schwarze 308: for (;;) {
309: if ((n = n->parent) == NULL)
310: return;
311:
1.184 schwarze 312: if (n->type == ROFFT_BLOCK ||
313: n->type == ROFFT_HEAD) {
1.210 schwarze 314: if (n->flags & NODE_ENDED)
1.183 schwarze 315: break;
316: else
317: return;
318: }
319: }
1.166 schwarze 320: }
321: }
322:
323: /*
1.84 schwarze 324: * For a block closing macro, return the corresponding opening one.
325: * Otherwise, return the macro itself.
1.32 kristaps 326: */
1.185 schwarze 327: static int
328: rew_alt(int tok)
1.1 kristaps 329: {
330: switch (tok) {
1.131 schwarze 331: case MDOC_Ac:
1.202 schwarze 332: return MDOC_Ao;
1.131 schwarze 333: case MDOC_Bc:
1.202 schwarze 334: return MDOC_Bo;
1.131 schwarze 335: case MDOC_Brc:
1.202 schwarze 336: return MDOC_Bro;
1.131 schwarze 337: case MDOC_Dc:
1.202 schwarze 338: return MDOC_Do;
1.131 schwarze 339: case MDOC_Ec:
1.202 schwarze 340: return MDOC_Eo;
1.131 schwarze 341: case MDOC_Ed:
1.202 schwarze 342: return MDOC_Bd;
1.131 schwarze 343: case MDOC_Ef:
1.202 schwarze 344: return MDOC_Bf;
1.131 schwarze 345: case MDOC_Ek:
1.202 schwarze 346: return MDOC_Bk;
1.131 schwarze 347: case MDOC_El:
1.202 schwarze 348: return MDOC_Bl;
1.131 schwarze 349: case MDOC_Fc:
1.202 schwarze 350: return MDOC_Fo;
1.131 schwarze 351: case MDOC_Oc:
1.202 schwarze 352: return MDOC_Oo;
1.131 schwarze 353: case MDOC_Pc:
1.202 schwarze 354: return MDOC_Po;
1.131 schwarze 355: case MDOC_Qc:
1.202 schwarze 356: return MDOC_Qo;
1.131 schwarze 357: case MDOC_Re:
1.202 schwarze 358: return MDOC_Rs;
1.131 schwarze 359: case MDOC_Sc:
1.202 schwarze 360: return MDOC_So;
1.131 schwarze 361: case MDOC_Xc:
1.202 schwarze 362: return MDOC_Xo;
1.1 kristaps 363: default:
1.202 schwarze 364: return tok;
1.1 kristaps 365: }
366: }
367:
1.149 schwarze 368: static void
1.189 schwarze 369: rew_elem(struct roff_man *mdoc, int tok)
1.1 kristaps 370: {
1.185 schwarze 371: struct roff_node *n;
1.1 kristaps 372:
373: n = mdoc->last;
1.184 schwarze 374: if (n->type != ROFFT_ELEM)
1.1 kristaps 375: n = n->parent;
1.184 schwarze 376: assert(n->type == ROFFT_ELEM);
1.1 kristaps 377: assert(tok == n->tok);
1.149 schwarze 378: rew_last(mdoc, n);
1.1 kristaps 379: }
380:
1.213 schwarze 381: static void
382: break_intermediate(struct roff_node *n, struct roff_node *breaker)
383: {
384: while (n != breaker) {
385: if ( ! (n->flags & NODE_VALID))
386: n->flags |= NODE_BROKEN;
387: n = n->parent;
388: }
389: }
390:
1.83 schwarze 391: /*
1.187 schwarze 392: * If there is an open sub-block of the target requiring
393: * explicit close-out, postpone closing out the target until
394: * the rew_pending() call closing out the sub-block.
395: */
396: static int
1.189 schwarze 397: find_pending(struct roff_man *mdoc, int tok, int line, int ppos,
1.187 schwarze 398: struct roff_node *target)
399: {
400: struct roff_node *n;
401: int irc;
402:
1.215 ! schwarze 403: if (target->flags & NODE_VALID)
! 404: return 0;
! 405:
1.187 schwarze 406: irc = 0;
407: for (n = mdoc->last; n != NULL && n != target; n = n->parent) {
1.213 schwarze 408: if (n->flags & NODE_ENDED)
1.187 schwarze 409: continue;
410: if (n->type == ROFFT_BLOCK &&
411: mdoc_macros[n->tok].flags & MDOC_EXPLICIT) {
412: irc = 1;
1.213 schwarze 413: break_intermediate(mdoc->last, n);
1.212 schwarze 414: n->flags |= NODE_BROKEN;
1.187 schwarze 415: if (target->type == ROFFT_HEAD)
1.212 schwarze 416: target->flags |= NODE_ENDED;
1.210 schwarze 417: else if ( ! (target->flags & NODE_ENDED)) {
1.187 schwarze 418: mandoc_vmsg(MANDOCERR_BLK_NEST,
419: mdoc->parse, line, ppos,
420: "%s breaks %s", mdoc_macronames[tok],
421: mdoc_macronames[n->tok]);
422: mdoc_endbody_alloc(mdoc, line, ppos,
423: tok, target, ENDBODY_NOSPACE);
424: }
425: }
426: }
1.202 schwarze 427: return irc;
1.187 schwarze 428: }
429:
430: /*
1.105 kristaps 431: * Allocate a word and check whether it's punctuation or not.
432: * Punctuation consists of those tokens found in mdoc_isdelim().
433: */
1.150 schwarze 434: static void
1.189 schwarze 435: dword(struct roff_man *mdoc, int line, int col, const char *p,
1.123 schwarze 436: enum mdelim d, int may_append)
1.105 kristaps 437: {
1.131 schwarze 438:
1.150 schwarze 439: if (d == DELIM_MAX)
1.105 kristaps 440: d = mdoc_isdelim(p);
441:
1.123 schwarze 442: if (may_append &&
1.150 schwarze 443: ! (mdoc->flags & (MDOC_SYNOPSIS | MDOC_KEEP | MDOC_SMOFF)) &&
1.184 schwarze 444: d == DELIM_NONE && mdoc->last->type == ROFFT_TEXT &&
1.150 schwarze 445: mdoc_isdelim(mdoc->last->string) == DELIM_NONE) {
1.192 schwarze 446: roff_word_append(mdoc, p);
1.150 schwarze 447: return;
1.123 schwarze 448: }
449:
1.192 schwarze 450: roff_word_alloc(mdoc, line, col, p);
1.105 kristaps 451:
1.108 schwarze 452: /*
1.144 schwarze 453: * If the word consists of a bare delimiter,
454: * flag the new node accordingly,
455: * unless doing so was vetoed by the invoking macro.
456: * Always clear the veto, it is only valid for one word.
1.108 schwarze 457: */
458:
1.144 schwarze 459: if (d == DELIM_OPEN)
1.210 schwarze 460: mdoc->last->flags |= NODE_DELIMO;
1.144 schwarze 461: else if (d == DELIM_CLOSE &&
462: ! (mdoc->flags & MDOC_NODELIMC) &&
1.131 schwarze 463: mdoc->last->parent->tok != MDOC_Fd)
1.210 schwarze 464: mdoc->last->flags |= NODE_DELIMC;
1.144 schwarze 465: mdoc->flags &= ~MDOC_NODELIMC;
1.105 kristaps 466: }
1.1 kristaps 467:
1.150 schwarze 468: static void
1.189 schwarze 469: append_delims(struct roff_man *mdoc, int line, int *pos, char *buf)
1.1 kristaps 470: {
1.153 schwarze 471: char *p;
1.66 kristaps 472: int la;
1.1 kristaps 473:
1.150 schwarze 474: if (buf[*pos] == '\0')
475: return;
1.1 kristaps 476:
477: for (;;) {
1.66 kristaps 478: la = *pos;
1.191 schwarze 479: if (mdoc_args(mdoc, line, pos, buf, TOKEN_NONE, &p) ==
480: ARGS_EOLN)
1.1 kristaps 481: break;
1.123 schwarze 482: dword(mdoc, line, la, p, DELIM_MAX, 1);
1.66 kristaps 483:
484: /*
485: * If we encounter end-of-sentence symbols, then trigger
486: * the double-space.
487: *
1.109 kristaps 488: * XXX: it's easy to allow this to propagate outward to
1.66 kristaps 489: * the last symbol, such that `. )' will cause the
490: * correct double-spacing. However, (1) groff isn't
491: * smart enough to do this and (2) it would require
492: * knowing which symbols break this behaviour, for
1.109 kristaps 493: * example, `. ;' shouldn't propagate the double-space.
1.66 kristaps 494: */
1.150 schwarze 495:
1.127 schwarze 496: if (mandoc_eos(p, strlen(p)))
1.210 schwarze 497: mdoc->last->flags |= NODE_EOS;
1.1 kristaps 498: }
499: }
500:
501: /*
1.153 schwarze 502: * Parse one word.
503: * If it is a macro, call it and return 1.
504: * Otherwise, allocate it and return 0.
505: */
506: static int
507: macro_or_word(MACRO_PROT_ARGS, int parsed)
508: {
509: char *p;
1.185 schwarze 510: int ntok;
1.153 schwarze 511:
512: p = buf + ppos;
1.191 schwarze 513: ntok = TOKEN_NONE;
1.157 schwarze 514: if (*p == '"')
1.153 schwarze 515: p++;
1.157 schwarze 516: else if (parsed && ! (mdoc->flags & MDOC_PHRASELIT))
1.155 schwarze 517: ntok = lookup(mdoc, tok, line, ppos, p);
1.153 schwarze 518:
1.191 schwarze 519: if (ntok == TOKEN_NONE) {
520: dword(mdoc, line, ppos, p, DELIM_MAX, tok == TOKEN_NONE ||
1.153 schwarze 521: mdoc_macros[tok].flags & MDOC_JOIN);
1.202 schwarze 522: return 0;
1.153 schwarze 523: } else {
524: if (mdoc_macros[tok].fp == in_line_eoln)
525: rew_elem(mdoc, tok);
526: mdoc_macro(mdoc, ntok, line, ppos, pos, buf);
1.191 schwarze 527: if (tok == TOKEN_NONE)
1.153 schwarze 528: append_delims(mdoc, line, pos, buf);
1.202 schwarze 529: return 1;
1.153 schwarze 530: }
531: }
532:
533: /*
1.131 schwarze 534: * Close out block partial/full explicit.
1.1 kristaps 535: */
1.151 schwarze 536: static void
1.1 kristaps 537: blk_exp_close(MACRO_PROT_ARGS)
538: {
1.185 schwarze 539: struct roff_node *body; /* Our own body. */
540: struct roff_node *endbody; /* Our own end marker. */
541: struct roff_node *itblk; /* An It block starting later. */
542: struct roff_node *later; /* A sub-block starting later. */
543: struct roff_node *n; /* Search back to our block. */
1.188 schwarze 544: struct roff_node *target; /* For find_pending(). */
1.83 schwarze 545:
1.188 schwarze 546: int j, lastarg, maxargs, nl, pending;
1.55 kristaps 547: enum margserr ac;
1.185 schwarze 548: int atok, ntok;
1.1 kristaps 549: char *p;
550:
1.119 schwarze 551: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 552:
1.1 kristaps 553: switch (tok) {
1.131 schwarze 554: case MDOC_Ec:
1.1 kristaps 555: maxargs = 1;
556: break;
1.131 schwarze 557: case MDOC_Ek:
1.125 schwarze 558: mdoc->flags &= ~MDOC_KEEP;
1.151 schwarze 559: /* FALLTHROUGH */
1.1 kristaps 560: default:
561: maxargs = 0;
562: break;
563: }
564:
1.209 schwarze 565: /* Search backwards for the beginning of our own body. */
566:
567: atok = rew_alt(tok);
568: body = NULL;
569: for (n = mdoc->last; n; n = n->parent) {
1.210 schwarze 570: if (n->flags & NODE_ENDED || n->tok != atok ||
1.209 schwarze 571: n->type != ROFFT_BODY || n->end != ENDBODY_NOT)
572: continue;
573: body = n;
574: break;
575: }
576:
1.83 schwarze 577: /*
578: * Search backwards for beginnings of blocks,
579: * both of our own and of pending sub-blocks.
580: */
1.151 schwarze 581:
1.209 schwarze 582: endbody = itblk = later = NULL;
1.119 schwarze 583: for (n = mdoc->last; n; n = n->parent) {
1.213 schwarze 584: if (n->flags & NODE_ENDED)
1.83 schwarze 585: continue;
586:
1.209 schwarze 587: /*
1.211 schwarze 588: * Mismatching end macros can never break anything
1.209 schwarze 589: * and we only care about the breaking of BLOCKs.
590: */
1.83 schwarze 591:
1.211 schwarze 592: if (body == NULL || n->type != ROFFT_BLOCK)
1.83 schwarze 593: continue;
1.160 schwarze 594:
1.211 schwarze 595: /*
596: * SYNOPSIS name blocks can not be broken themselves,
597: * but they do get broken together with a broken child.
598: */
599:
600: if (n->tok == MDOC_Nm) {
601: if (later != NULL)
602: n->flags |= NODE_BROKEN | NODE_ENDED;
603: continue;
604: }
605:
1.160 schwarze 606: if (n->tok == MDOC_It) {
1.171 schwarze 607: itblk = n;
1.160 schwarze 608: continue;
609: }
610:
1.83 schwarze 611: if (atok == n->tok) {
612:
613: /*
614: * Found the start of our own block.
615: * When there is no pending sub block,
616: * just proceed to closing out.
617: */
1.151 schwarze 618:
1.160 schwarze 619: if (later == NULL ||
1.171 schwarze 620: (tok == MDOC_El && itblk == NULL))
1.83 schwarze 621: break;
622:
1.131 schwarze 623: /*
1.167 schwarze 624: * When there is a pending sub block, postpone
625: * closing out the current block until the
626: * rew_pending() closing out the sub-block.
1.83 schwarze 627: * Mark the place where the formatting - but not
628: * the scope - of the current block ends.
629: */
1.151 schwarze 630:
1.183 schwarze 631: mandoc_vmsg(MANDOCERR_BLK_NEST, mdoc->parse,
632: line, ppos, "%s breaks %s",
633: mdoc_macronames[atok],
634: mdoc_macronames[later->tok]);
635:
1.166 schwarze 636: endbody = mdoc_endbody_alloc(mdoc, line, ppos,
1.150 schwarze 637: atok, body, ENDBODY_SPACE);
1.151 schwarze 638:
1.183 schwarze 639: if (tok == MDOC_El)
1.210 schwarze 640: itblk->flags |= NODE_ENDED | NODE_BROKEN;
1.183 schwarze 641:
1.151 schwarze 642: /*
643: * If a block closing macro taking arguments
644: * breaks another block, put the arguments
1.166 schwarze 645: * into the end marker.
1.151 schwarze 646: */
647:
1.166 schwarze 648: if (maxargs)
1.189 schwarze 649: mdoc->next = ROFF_NEXT_CHILD;
1.83 schwarze 650: break;
1.182 schwarze 651: }
652:
1.214 schwarze 653: /*
654: * Explicit blocks close out description lines, but
655: * even those can get broken together with a child.
656: */
1.182 schwarze 657:
658: if (n->tok == MDOC_Nd) {
1.214 schwarze 659: if (later != NULL)
660: n->flags |= NODE_BROKEN | NODE_ENDED;
661: else
662: rew_last(mdoc, n);
1.182 schwarze 663: continue;
1.83 schwarze 664: }
665:
1.183 schwarze 666: /* Breaking an open sub block. */
1.151 schwarze 667:
1.213 schwarze 668: break_intermediate(mdoc->last, body);
1.210 schwarze 669: n->flags |= NODE_BROKEN;
1.183 schwarze 670: if (later == NULL)
1.83 schwarze 671: later = n;
672: }
1.166 schwarze 673:
674: if (body == NULL) {
675: mandoc_msg(MANDOCERR_BLK_NOTOPEN, mdoc->parse,
676: line, ppos, mdoc_macronames[tok]);
677: if (maxargs && endbody == NULL) {
678: /*
679: * Stray .Ec without previous .Eo:
680: * Break the output line, keep the arguments.
681: */
1.193 schwarze 682: roff_elem_alloc(mdoc, line, ppos, MDOC_br);
1.166 schwarze 683: rew_elem(mdoc, MDOC_br);
684: }
685: } else if (endbody == NULL) {
686: rew_last(mdoc, body);
687: if (maxargs)
688: mdoc_tail_alloc(mdoc, line, ppos, atok);
689: }
1.83 schwarze 690:
1.150 schwarze 691: if ( ! (mdoc_macros[tok].flags & MDOC_PARSED)) {
692: if (buf[*pos] != '\0')
1.136 schwarze 693: mandoc_vmsg(MANDOCERR_ARG_SKIP,
694: mdoc->parse, line, ppos,
695: "%s %s", mdoc_macronames[tok],
696: buf + *pos);
1.171 schwarze 697: if (endbody == NULL && n != NULL)
1.167 schwarze 698: rew_pending(mdoc, n);
1.151 schwarze 699: return;
1.1 kristaps 700: }
701:
1.166 schwarze 702: if (endbody != NULL)
703: n = endbody;
1.197 schwarze 704:
705: ntok = TOKEN_NONE;
1.148 schwarze 706: for (j = 0; ; j++) {
1.1 kristaps 707: lastarg = *pos;
708:
1.186 schwarze 709: if (j == maxargs && n != NULL)
710: rew_last(mdoc, n);
1.1 kristaps 711:
1.119 schwarze 712: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 713: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 714: break;
715:
1.191 schwarze 716: ntok = ac == ARGS_QWORD ? TOKEN_NONE :
1.155 schwarze 717: lookup(mdoc, tok, line, lastarg, p);
1.54 kristaps 718:
1.191 schwarze 719: if (ntok == TOKEN_NONE) {
1.150 schwarze 720: dword(mdoc, line, lastarg, p, DELIM_MAX,
721: MDOC_JOIN & mdoc_macros[tok].flags);
1.54 kristaps 722: continue;
723: }
1.1 kristaps 724:
1.186 schwarze 725: if (n != NULL)
726: rew_last(mdoc, n);
1.122 schwarze 727: mdoc->flags &= ~MDOC_NEWLINE;
1.151 schwarze 728: mdoc_macro(mdoc, ntok, line, lastarg, pos, buf);
1.54 kristaps 729: break;
1.1 kristaps 730: }
731:
1.188 schwarze 732: if (n != NULL) {
1.212 schwarze 733: pending = 0;
1.210 schwarze 734: if (ntok != TOKEN_NONE && n->flags & NODE_BROKEN) {
1.188 schwarze 735: target = n;
736: do
737: target = target->parent;
1.210 schwarze 738: while ( ! (target->flags & NODE_ENDED));
1.215 ! schwarze 739: pending = find_pending(mdoc, ntok, line, ppos, target);
1.212 schwarze 740: }
1.188 schwarze 741: if ( ! pending)
742: rew_pending(mdoc, n);
743: }
1.150 schwarze 744: if (nl)
745: append_delims(mdoc, line, pos, buf);
1.1 kristaps 746: }
747:
1.151 schwarze 748: static void
1.1 kristaps 749: in_line(MACRO_PROT_ARGS)
750: {
1.144 schwarze 751: int la, scope, cnt, firstarg, mayopen, nc, nl;
1.185 schwarze 752: int ntok;
1.55 kristaps 753: enum margserr ac;
1.67 schwarze 754: enum mdelim d;
1.53 kristaps 755: struct mdoc_arg *arg;
756: char *p;
1.1 kristaps 757:
1.119 schwarze 758: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 759:
1.4 kristaps 760: /*
761: * Whether we allow ignored elements (those without content,
762: * usually because of reserved words) to squeak by.
763: */
1.45 kristaps 764:
1.4 kristaps 765: switch (tok) {
1.131 schwarze 766: case MDOC_An:
767: case MDOC_Ar:
768: case MDOC_Fl:
769: case MDOC_Mt:
770: case MDOC_Nm:
771: case MDOC_Pa:
1.4 kristaps 772: nc = 1;
773: break;
774: default:
775: nc = 0;
776: break;
777: }
778:
1.152 schwarze 779: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 780:
1.144 schwarze 781: d = DELIM_NONE;
782: firstarg = 1;
1.142 schwarze 783: mayopen = 1;
1.70 kristaps 784: for (cnt = scope = 0;; ) {
1.1 kristaps 785: la = *pos;
1.119 schwarze 786: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.1 kristaps 787:
1.144 schwarze 788: /*
789: * At the end of a macro line,
790: * opening delimiters do not suppress spacing.
791: */
792:
793: if (ac == ARGS_EOLN) {
794: if (d == DELIM_OPEN)
1.210 schwarze 795: mdoc->last->flags &= ~NODE_DELIMO;
1.1 kristaps 796: break;
1.144 schwarze 797: }
798:
799: /*
800: * The rest of the macro line is only punctuation,
801: * to be handled by append_delims().
802: * If there were no other arguments,
803: * do not allow the first one to suppress spacing,
804: * even if it turns out to be a closing one.
805: */
806:
807: if (ac == ARGS_PUNCT) {
1.176 schwarze 808: if (cnt == 0 && (nc == 0 || tok == MDOC_An))
1.144 schwarze 809: mdoc->flags |= MDOC_NODELIMC;
1.1 kristaps 810: break;
1.144 schwarze 811: }
1.1 kristaps 812:
1.145 schwarze 813: ntok = (ac == ARGS_QWORD || (tok == MDOC_Fn && !cnt)) ?
1.191 schwarze 814: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.1 kristaps 815:
1.131 schwarze 816: /*
1.4 kristaps 817: * In this case, we've located a submacro and must
818: * execute it. Close out scope, if open. If no
819: * elements have been generated, either create one (nc)
820: * or raise a warning.
821: */
1.1 kristaps 822:
1.191 schwarze 823: if (ntok != TOKEN_NONE) {
1.149 schwarze 824: if (scope)
825: rew_elem(mdoc, tok);
1.150 schwarze 826: if (nc && ! cnt) {
827: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.149 schwarze 828: rew_last(mdoc, mdoc->last);
1.150 schwarze 829: } else if ( ! nc && ! cnt) {
1.7 kristaps 830: mdoc_argv_free(arg);
1.135 schwarze 831: mandoc_msg(MANDOCERR_MACRO_EMPTY,
832: mdoc->parse, line, ppos,
833: mdoc_macronames[tok]);
1.7 kristaps 834: }
1.151 schwarze 835: mdoc_macro(mdoc, ntok, line, la, pos, buf);
1.150 schwarze 836: if (nl)
837: append_delims(mdoc, line, pos, buf);
1.151 schwarze 838: return;
1.131 schwarze 839: }
1.1 kristaps 840:
1.131 schwarze 841: /*
1.4 kristaps 842: * Non-quote-enclosed punctuation. Set up our scope, if
843: * a word; rewind the scope, if a delimiter; then append
1.131 schwarze 844: * the word.
1.4 kristaps 845: */
1.1 kristaps 846:
1.150 schwarze 847: d = ac == ARGS_QWORD ? DELIM_NONE : mdoc_isdelim(p);
1.3 kristaps 848:
1.70 kristaps 849: if (DELIM_NONE != d) {
850: /*
851: * If we encounter closing punctuation, no word
1.144 schwarze 852: * has been emitted, no scope is open, and we're
1.70 kristaps 853: * allowed to have an empty element, then start
1.142 schwarze 854: * a new scope.
1.70 kristaps 855: */
1.142 schwarze 856: if ((d == DELIM_CLOSE ||
857: (d == DELIM_MIDDLE && tok == MDOC_Fl)) &&
1.144 schwarze 858: !cnt && !scope && nc && mayopen) {
1.150 schwarze 859: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 860: scope = 1;
1.142 schwarze 861: cnt++;
1.150 schwarze 862: if (tok == MDOC_Nm)
1.142 schwarze 863: mayopen = 0;
1.70 kristaps 864: }
865: /*
866: * Close out our scope, if one is open, before
867: * any punctuation.
868: */
1.149 schwarze 869: if (scope)
870: rew_elem(mdoc, tok);
1.70 kristaps 871: scope = 0;
1.145 schwarze 872: if (tok == MDOC_Fn)
873: mayopen = 0;
1.142 schwarze 874: } else if (mayopen && !scope) {
1.150 schwarze 875: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 876: scope = 1;
1.142 schwarze 877: cnt++;
1.1 kristaps 878: }
1.105 kristaps 879:
1.150 schwarze 880: dword(mdoc, line, la, p, d,
881: MDOC_JOIN & mdoc_macros[tok].flags);
1.39 kristaps 882:
883: /*
1.144 schwarze 884: * If the first argument is a closing delimiter,
885: * do not suppress spacing before it.
886: */
887:
888: if (firstarg && d == DELIM_CLOSE && !nc)
1.210 schwarze 889: mdoc->last->flags &= ~NODE_DELIMC;
1.144 schwarze 890: firstarg = 0;
891:
892: /*
1.39 kristaps 893: * `Fl' macros have their scope re-opened with each new
894: * word so that the `-' can be added to each one without
895: * having to parse out spaces.
896: */
1.150 schwarze 897: if (scope && tok == MDOC_Fl) {
1.149 schwarze 898: rew_elem(mdoc, tok);
1.70 kristaps 899: scope = 0;
1.39 kristaps 900: }
1.1 kristaps 901: }
902:
1.149 schwarze 903: if (scope)
904: rew_elem(mdoc, tok);
1.4 kristaps 905:
906: /*
907: * If no elements have been collected and we're allowed to have
908: * empties (nc), open a scope and close it out. Otherwise,
909: * raise a warning.
910: */
1.45 kristaps 911:
1.150 schwarze 912: if ( ! cnt) {
913: if (nc) {
914: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
915: rew_last(mdoc, mdoc->last);
916: } else {
917: mdoc_argv_free(arg);
918: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
919: line, ppos, mdoc_macronames[tok]);
920: }
1.7 kristaps 921: }
1.150 schwarze 922: if (nl)
923: append_delims(mdoc, line, pos, buf);
1.1 kristaps 924: }
925:
1.151 schwarze 926: static void
1.1 kristaps 927: blk_full(MACRO_PROT_ARGS)
928: {
1.153 schwarze 929: int la, nl, parsed;
1.1 kristaps 930: struct mdoc_arg *arg;
1.185 schwarze 931: struct roff_node *blk; /* Our own or a broken block. */
932: struct roff_node *head; /* Our own head. */
933: struct roff_node *body; /* Our own body. */
934: struct roff_node *n;
1.59 kristaps 935: enum margserr ac, lac;
1.1 kristaps 936: char *p;
937:
1.119 schwarze 938: nl = MDOC_NEWLINE & mdoc->flags;
1.138 schwarze 939:
1.177 schwarze 940: if (buf[*pos] == '\0' && (tok == MDOC_Sh || tok == MDOC_Ss)) {
941: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
942: line, ppos, mdoc_macronames[tok]);
943: return;
944: }
945:
1.171 schwarze 946: if ( ! (mdoc_macros[tok].flags & MDOC_EXPLICIT)) {
947:
948: /* Here, tok is one of Sh Ss Nm Nd It. */
949:
950: blk = NULL;
951: for (n = mdoc->last; n != NULL; n = n->parent) {
1.210 schwarze 952: if (n->flags & NODE_ENDED) {
953: if ( ! (n->flags & NODE_VALID))
954: n->flags |= NODE_BROKEN;
1.183 schwarze 955: continue;
956: }
1.184 schwarze 957: if (n->type != ROFFT_BLOCK)
1.171 schwarze 958: continue;
1.183 schwarze 959:
1.171 schwarze 960: if (tok == MDOC_It && n->tok == MDOC_Bl) {
961: if (blk != NULL) {
962: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
963: mdoc->parse, line, ppos,
964: "It breaks %s",
965: mdoc_macronames[blk->tok]);
966: rew_pending(mdoc, blk);
967: }
968: break;
969: }
970:
971: if (mdoc_macros[n->tok].flags & MDOC_EXPLICIT) {
972: switch (tok) {
973: case MDOC_Sh:
974: case MDOC_Ss:
975: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
976: mdoc->parse, line, ppos,
977: "%s breaks %s",
978: mdoc_macronames[tok],
979: mdoc_macronames[n->tok]);
980: rew_pending(mdoc, n);
1.180 schwarze 981: n = mdoc->last;
1.171 schwarze 982: continue;
983: case MDOC_It:
984: /* Delay in case it's astray. */
985: blk = n;
986: continue;
987: default:
988: break;
989: }
990: break;
991: }
992:
993: /* Here, n is one of Sh Ss Nm Nd It. */
1.138 schwarze 994:
1.171 schwarze 995: if (tok != MDOC_Sh && (n->tok == MDOC_Sh ||
996: (tok != MDOC_Ss && (n->tok == MDOC_Ss ||
997: (tok != MDOC_It && n->tok == MDOC_It)))))
1.138 schwarze 998: break;
1.171 schwarze 999:
1000: /* Item breaking an explicit block. */
1001:
1002: if (blk != NULL) {
1003: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
1004: mdoc->parse, line, ppos,
1005: "It breaks %s",
1006: mdoc_macronames[blk->tok]);
1007: rew_pending(mdoc, blk);
1.172 schwarze 1008: blk = NULL;
1.171 schwarze 1009: }
1010:
1011: /* Close out prior implicit scopes. */
1012:
1.211 schwarze 1013: rew_pending(mdoc, n);
1.171 schwarze 1014: }
1015:
1016: /* Skip items outside lists. */
1017:
1018: if (tok == MDOC_It && (n == NULL || n->tok != MDOC_Bl)) {
1.138 schwarze 1019: mandoc_vmsg(MANDOCERR_IT_STRAY, mdoc->parse,
1020: line, ppos, "It %s", buf + *pos);
1.193 schwarze 1021: roff_elem_alloc(mdoc, line, ppos, MDOC_br);
1.149 schwarze 1022: rew_elem(mdoc, MDOC_br);
1.151 schwarze 1023: return;
1.138 schwarze 1024: }
1.1 kristaps 1025: }
1026:
1.45 kristaps 1027: /*
1.109 kristaps 1028: * This routine accommodates implicitly- and explicitly-scoped
1.45 kristaps 1029: * macro openings. Implicit ones first close out prior scope
1030: * (seen above). Delay opening the head until necessary to
1031: * allow leading punctuation to print. Special consideration
1032: * for `It -column', which has phrase-part syntax instead of
1033: * regular child nodes.
1034: */
1035:
1.152 schwarze 1036: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.165 schwarze 1037: blk = mdoc_block_alloc(mdoc, line, ppos, tok, arg);
1.49 kristaps 1038: head = body = NULL;
1.115 schwarze 1039:
1040: /*
1041: * Exception: Heads of `It' macros in `-diag' lists are not
1042: * parsed, even though `It' macros in general are parsed.
1043: */
1.151 schwarze 1044:
1.153 schwarze 1045: parsed = tok != MDOC_It ||
1046: mdoc->last->parent->tok != MDOC_Bl ||
1047: mdoc->last->parent->norm->Bl.type != LIST_diag;
1.1 kristaps 1048:
1.45 kristaps 1049: /*
1050: * The `Nd' macro has all arguments in its body: it's a hybrid
1051: * of block partial-explicit and full-implicit. Stupid.
1052: */
1.19 kristaps 1053:
1.150 schwarze 1054: if (tok == MDOC_Nd) {
1.190 schwarze 1055: head = roff_head_alloc(mdoc, line, ppos, tok);
1.162 schwarze 1056: rew_last(mdoc, head);
1.190 schwarze 1057: body = roff_body_alloc(mdoc, line, ppos, tok);
1.123 schwarze 1058: }
1059:
1.150 schwarze 1060: if (tok == MDOC_Bk)
1.123 schwarze 1061: mdoc->flags |= MDOC_KEEP;
1.19 kristaps 1062:
1.205 schwarze 1063: ac = ARGS_EOLN;
1.150 schwarze 1064: for (;;) {
1.205 schwarze 1065:
1066: /*
1067: * If we are right after a tab character,
1068: * do not parse the first word for macros.
1069: */
1070:
1071: if (mdoc->flags & MDOC_PHRASEQN) {
1072: mdoc->flags &= ~MDOC_PHRASEQN;
1073: mdoc->flags |= MDOC_PHRASEQF;
1074: }
1075:
1.45 kristaps 1076: la = *pos;
1.150 schwarze 1077: lac = ac;
1.119 schwarze 1078: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1079: if (ac == ARGS_EOLN) {
1.205 schwarze 1080: if (lac != ARGS_PHRASE ||
1081: ! (mdoc->flags & MDOC_PHRASEQF))
1.75 kristaps 1082: break;
1.205 schwarze 1083:
1.75 kristaps 1084: /*
1.205 schwarze 1085: * This line ends in a tab; start the next
1086: * column now, with a leading blank.
1.75 kristaps 1087: */
1.205 schwarze 1088:
1.167 schwarze 1089: if (body != NULL)
1090: rew_last(mdoc, body);
1.190 schwarze 1091: body = roff_body_alloc(mdoc, line, ppos, tok);
1.205 schwarze 1092: roff_word_alloc(mdoc, line, ppos, "\\&");
1.1 kristaps 1093: break;
1.75 kristaps 1094: }
1.205 schwarze 1095:
1.174 schwarze 1096: if (tok == MDOC_Bd || tok == MDOC_Bk) {
1097: mandoc_vmsg(MANDOCERR_ARG_EXCESS,
1098: mdoc->parse, line, la, "%s ... %s",
1099: mdoc_macronames[tok], buf + la);
1100: break;
1101: }
1.173 schwarze 1102: if (tok == MDOC_Rs) {
1103: mandoc_vmsg(MANDOCERR_ARG_SKIP, mdoc->parse,
1104: line, la, "Rs %s", buf + la);
1105: break;
1106: }
1107: if (ac == ARGS_PUNCT)
1108: break;
1.45 kristaps 1109:
1.131 schwarze 1110: /*
1.73 kristaps 1111: * Emit leading punctuation (i.e., punctuation before
1.184 schwarze 1112: * the ROFFT_HEAD) for non-phrase types.
1.73 kristaps 1113: */
1.45 kristaps 1114:
1.150 schwarze 1115: if (head == NULL &&
1116: ac != ARGS_PHRASE &&
1117: ac != ARGS_QWORD &&
1118: mdoc_isdelim(p) == DELIM_OPEN) {
1119: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.45 kristaps 1120: continue;
1121: }
1122:
1.74 kristaps 1123: /* Open a head if one hasn't been opened. */
1.45 kristaps 1124:
1.150 schwarze 1125: if (head == NULL)
1.190 schwarze 1126: head = roff_head_alloc(mdoc, line, ppos, tok);
1.45 kristaps 1127:
1.205 schwarze 1128: if (ac == ARGS_PHRASE) {
1.151 schwarze 1129:
1.73 kristaps 1130: /*
1.74 kristaps 1131: * If we haven't opened a body yet, rewind the
1132: * head; if we have, rewind that instead.
1133: */
1134:
1.167 schwarze 1135: rew_last(mdoc, body == NULL ? head : body);
1.190 schwarze 1136: body = roff_body_alloc(mdoc, line, ppos, tok);
1.74 kristaps 1137:
1.205 schwarze 1138: /* Process to the tab or to the end of the line. */
1.74 kristaps 1139:
1.205 schwarze 1140: mdoc->flags |= MDOC_PHRASE;
1.191 schwarze 1141: parse_rest(mdoc, TOKEN_NONE, line, &la, buf);
1.205 schwarze 1142: mdoc->flags &= ~MDOC_PHRASE;
1.204 schwarze 1143:
1144: /* There may have been `Ta' macros. */
1145:
1146: while (body->next != NULL)
1147: body = body->next;
1.1 kristaps 1148: continue;
1149: }
1150:
1.153 schwarze 1151: if (macro_or_word(mdoc, tok, line, la, pos, buf, parsed))
1.151 schwarze 1152: break;
1.45 kristaps 1153: }
1.1 kristaps 1154:
1.210 schwarze 1155: if (blk->flags & NODE_VALID)
1.165 schwarze 1156: return;
1.150 schwarze 1157: if (head == NULL)
1.190 schwarze 1158: head = roff_head_alloc(mdoc, line, ppos, tok);
1.174 schwarze 1159: if (nl && tok != MDOC_Bd && tok != MDOC_Bl && tok != MDOC_Rs)
1.150 schwarze 1160: append_delims(mdoc, line, pos, buf);
1.151 schwarze 1161: if (body != NULL)
1.77 kristaps 1162: goto out;
1.187 schwarze 1163: if (find_pending(mdoc, tok, line, ppos, head))
1.183 schwarze 1164: return;
1.47 kristaps 1165:
1.45 kristaps 1166: /* Close out scopes to remain in a consistent state. */
1167:
1.167 schwarze 1168: rew_last(mdoc, head);
1.190 schwarze 1169: body = roff_body_alloc(mdoc, line, ppos, tok);
1.77 kristaps 1170: out:
1.150 schwarze 1171: if (mdoc->flags & MDOC_FREECOL) {
1.167 schwarze 1172: rew_last(mdoc, body);
1173: rew_last(mdoc, blk);
1.150 schwarze 1174: mdoc->flags &= ~MDOC_FREECOL;
1175: }
1.1 kristaps 1176: }
1177:
1.151 schwarze 1178: static void
1.1 kristaps 1179: blk_part_imp(MACRO_PROT_ARGS)
1180: {
1.63 kristaps 1181: int la, nl;
1.55 kristaps 1182: enum margserr ac;
1.1 kristaps 1183: char *p;
1.185 schwarze 1184: struct roff_node *blk; /* saved block context */
1185: struct roff_node *body; /* saved body context */
1186: struct roff_node *n;
1.1 kristaps 1187:
1.119 schwarze 1188: nl = MDOC_NEWLINE & mdoc->flags;
1.63 kristaps 1189:
1.43 kristaps 1190: /*
1191: * A macro that spans to the end of the line. This is generally
1192: * (but not necessarily) called as the first macro. The block
1193: * has a head as the immediate child, which is always empty,
1194: * followed by zero or more opening punctuation nodes, then the
1195: * body (which may be empty, depending on the macro), then zero
1196: * or more closing punctuation nodes.
1197: */
1.32 kristaps 1198:
1.150 schwarze 1199: blk = mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
1.190 schwarze 1200: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1.1 kristaps 1201:
1.43 kristaps 1202: /*
1203: * Open the body scope "on-demand", that is, after we've
1204: * processed all our the leading delimiters (open parenthesis,
1205: * etc.).
1206: */
1.1 kristaps 1207:
1.43 kristaps 1208: for (body = NULL; ; ) {
1.32 kristaps 1209: la = *pos;
1.119 schwarze 1210: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1211: if (ac == ARGS_EOLN || ac == ARGS_PUNCT)
1.1 kristaps 1212: break;
1213:
1.150 schwarze 1214: if (body == NULL && ac != ARGS_QWORD &&
1215: mdoc_isdelim(p) == DELIM_OPEN) {
1216: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.1 kristaps 1217: continue;
1.123 schwarze 1218: }
1.1 kristaps 1219:
1.150 schwarze 1220: if (body == NULL)
1.190 schwarze 1221: body = roff_body_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1222:
1.153 schwarze 1223: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.151 schwarze 1224: break;
1.1 kristaps 1225: }
1.150 schwarze 1226: if (body == NULL)
1.190 schwarze 1227: body = roff_body_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1228:
1.187 schwarze 1229: if (find_pending(mdoc, tok, line, ppos, body))
1.183 schwarze 1230: return;
1231:
1.164 schwarze 1232: rew_last(mdoc, body);
1.150 schwarze 1233: if (nl)
1234: append_delims(mdoc, line, pos, buf);
1.166 schwarze 1235: rew_pending(mdoc, blk);
1.117 schwarze 1236:
1237: /* Move trailing .Ns out of scope. */
1238:
1239: for (n = body->child; n && n->next; n = n->next)
1240: /* Do nothing. */ ;
1.150 schwarze 1241: if (n && n->tok == MDOC_Ns)
1.119 schwarze 1242: mdoc_node_relink(mdoc, n);
1.1 kristaps 1243: }
1244:
1.151 schwarze 1245: static void
1.1 kristaps 1246: blk_part_exp(MACRO_PROT_ARGS)
1247: {
1.60 kristaps 1248: int la, nl;
1.55 kristaps 1249: enum margserr ac;
1.185 schwarze 1250: struct roff_node *head; /* keep track of head */
1.1 kristaps 1251: char *p;
1252:
1.119 schwarze 1253: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 1254:
1.43 kristaps 1255: /*
1256: * The opening of an explicit macro having zero or more leading
1257: * punctuation nodes; a head with optional single element (the
1258: * case of `Eo'); and a body that may be empty.
1259: */
1.32 kristaps 1260:
1.193 schwarze 1261: roff_block_alloc(mdoc, line, ppos, tok);
1.163 schwarze 1262: head = NULL;
1263: for (;;) {
1.32 kristaps 1264: la = *pos;
1.119 schwarze 1265: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1266: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 1267: break;
1.43 kristaps 1268:
1269: /* Flush out leading punctuation. */
1270:
1.150 schwarze 1271: if (head == NULL && ac != ARGS_QWORD &&
1272: mdoc_isdelim(p) == DELIM_OPEN) {
1273: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.43 kristaps 1274: continue;
1.123 schwarze 1275: }
1.43 kristaps 1276:
1.150 schwarze 1277: if (head == NULL) {
1.190 schwarze 1278: head = roff_head_alloc(mdoc, line, ppos, tok);
1.163 schwarze 1279: if (tok == MDOC_Eo) /* Not parsed. */
1.150 schwarze 1280: dword(mdoc, line, la, p, DELIM_MAX, 0);
1.163 schwarze 1281: rew_last(mdoc, head);
1.190 schwarze 1282: roff_body_alloc(mdoc, line, ppos, tok);
1.150 schwarze 1283: if (tok == MDOC_Eo)
1.43 kristaps 1284: continue;
1.1 kristaps 1285: }
1.43 kristaps 1286:
1.153 schwarze 1287: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.151 schwarze 1288: break;
1.1 kristaps 1289: }
1290:
1.43 kristaps 1291: /* Clean-up to leave in a consistent state. */
1.32 kristaps 1292:
1.163 schwarze 1293: if (head == NULL) {
1.190 schwarze 1294: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1295: roff_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1296: }
1.150 schwarze 1297: if (nl)
1298: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1299: }
1300:
1.151 schwarze 1301: static void
1.1 kristaps 1302: in_line_argn(MACRO_PROT_ARGS)
1303: {
1.53 kristaps 1304: struct mdoc_arg *arg;
1305: char *p;
1.181 schwarze 1306: enum margserr ac;
1.185 schwarze 1307: int ntok;
1.181 schwarze 1308: int state; /* arg#; -1: not yet open; -2: closed */
1309: int la, maxargs, nl;
1.1 kristaps 1310:
1.156 schwarze 1311: nl = mdoc->flags & MDOC_NEWLINE;
1.60 kristaps 1312:
1.46 kristaps 1313: /*
1314: * A line macro that has a fixed number of arguments (maxargs).
1315: * Only open the scope once the first non-leading-punctuation is
1316: * found (unless MDOC_IGNDELIM is noted, like in `Pf'), then
1317: * keep it open until the maximum number of arguments are
1318: * exhausted.
1319: */
1.1 kristaps 1320:
1321: switch (tok) {
1.131 schwarze 1322: case MDOC_Ap:
1323: case MDOC_Ns:
1324: case MDOC_Ux:
1.1 kristaps 1325: maxargs = 0;
1326: break;
1.131 schwarze 1327: case MDOC_Bx:
1.132 schwarze 1328: case MDOC_Es:
1.131 schwarze 1329: case MDOC_Xr:
1.42 kristaps 1330: maxargs = 2;
1331: break;
1.1 kristaps 1332: default:
1333: maxargs = 1;
1334: break;
1335: }
1336:
1.152 schwarze 1337: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 1338:
1.181 schwarze 1339: state = -1;
1.156 schwarze 1340: p = NULL;
1341: for (;;) {
1.32 kristaps 1342: la = *pos;
1.119 schwarze 1343: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.181 schwarze 1344:
1345: if (ac == ARGS_WORD && state == -1 &&
1346: ! (mdoc_macros[tok].flags & MDOC_IGNDELIM) &&
1347: mdoc_isdelim(p) == DELIM_OPEN) {
1348: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1349: continue;
1350: }
1351:
1352: if (state == -1 && tok != MDOC_In &&
1353: tok != MDOC_St && tok != MDOC_Xr) {
1354: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1355: state = 0;
1356: }
1357:
1.156 schwarze 1358: if (ac == ARGS_PUNCT || ac == ARGS_EOLN) {
1.181 schwarze 1359: if (abs(state) < 2 && tok == MDOC_Pf)
1.156 schwarze 1360: mandoc_vmsg(MANDOCERR_PF_SKIP,
1361: mdoc->parse, line, ppos, "Pf %s",
1362: p == NULL ? "at eol" : p);
1.1 kristaps 1363: break;
1.156 schwarze 1364: }
1.1 kristaps 1365:
1.181 schwarze 1366: if (state == maxargs) {
1.149 schwarze 1367: rew_elem(mdoc, tok);
1.181 schwarze 1368: state = -2;
1.46 kristaps 1369: }
1370:
1.181 schwarze 1371: ntok = (ac == ARGS_QWORD || (tok == MDOC_Pf && state == 0)) ?
1.191 schwarze 1372: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.54 kristaps 1373:
1.191 schwarze 1374: if (ntok != TOKEN_NONE) {
1.181 schwarze 1375: if (state >= 0) {
1.149 schwarze 1376: rew_elem(mdoc, tok);
1.181 schwarze 1377: state = -2;
1378: }
1.151 schwarze 1379: mdoc_macro(mdoc, ntok, line, la, pos, buf);
1.1 kristaps 1380: break;
1381: }
1382:
1.181 schwarze 1383: if (ac == ARGS_QWORD ||
1384: mdoc_macros[tok].flags & MDOC_IGNDELIM ||
1385: mdoc_isdelim(p) == DELIM_NONE) {
1386: if (state == -1) {
1387: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1388: state = 1;
1389: } else if (state >= 0)
1390: state++;
1391: } else if (state >= 0) {
1.149 schwarze 1392: rew_elem(mdoc, tok);
1.181 schwarze 1393: state = -2;
1.1 kristaps 1394: }
1.42 kristaps 1395:
1.150 schwarze 1396: dword(mdoc, line, la, p, DELIM_MAX,
1397: MDOC_JOIN & mdoc_macros[tok].flags);
1.1 kristaps 1398: }
1399:
1.181 schwarze 1400: if (state == -1) {
1401: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1402: line, ppos, mdoc_macronames[tok]);
1403: return;
1.156 schwarze 1404: }
1.181 schwarze 1405:
1406: if (state == 0 && tok == MDOC_Pf)
1407: append_delims(mdoc, line, pos, buf);
1408: if (state >= 0)
1.149 schwarze 1409: rew_elem(mdoc, tok);
1.150 schwarze 1410: if (nl)
1411: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1412: }
1413:
1.151 schwarze 1414: static void
1.1 kristaps 1415: in_line_eoln(MACRO_PROT_ARGS)
1416: {
1.185 schwarze 1417: struct roff_node *n;
1.170 schwarze 1418: struct mdoc_arg *arg;
1.1 kristaps 1419:
1.170 schwarze 1420: if ((tok == MDOC_Pp || tok == MDOC_Lp) &&
1421: ! (mdoc->flags & MDOC_SYNOPSIS)) {
1422: n = mdoc->last;
1.189 schwarze 1423: if (mdoc->next == ROFF_NEXT_SIBLING)
1.170 schwarze 1424: n = n->parent;
1425: if (n->tok == MDOC_Nm)
1.198 schwarze 1426: rew_last(mdoc, n->parent);
1.178 schwarze 1427: }
1428:
1.179 schwarze 1429: if (buf[*pos] == '\0' &&
1430: (tok == MDOC_Fd || mdoc_macronames[tok][0] == '%')) {
1.178 schwarze 1431: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1.179 schwarze 1432: line, ppos, mdoc_macronames[tok]);
1.178 schwarze 1433: return;
1.170 schwarze 1434: }
1.90 schwarze 1435:
1.152 schwarze 1436: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.150 schwarze 1437: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.154 schwarze 1438: if (parse_rest(mdoc, tok, line, pos, buf))
1439: return;
1440: rew_elem(mdoc, tok);
1441: }
1442:
1443: /*
1444: * The simplest argument parser available: Parse the remaining
1445: * words until the end of the phrase or line and return 0
1446: * or until the next macro, call that macro, and return 1.
1447: */
1448: static int
1.189 schwarze 1449: parse_rest(struct roff_man *mdoc, int tok, int line, int *pos, char *buf)
1.154 schwarze 1450: {
1451: int la;
1.1 kristaps 1452:
1453: for (;;) {
1454: la = *pos;
1.153 schwarze 1455: if (mdoc_args(mdoc, line, pos, buf, tok, NULL) == ARGS_EOLN)
1.202 schwarze 1456: return 0;
1.153 schwarze 1457: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.202 schwarze 1458: return 1;
1.1 kristaps 1459: }
1460: }
1461:
1.151 schwarze 1462: static void
1.41 kristaps 1463: ctx_synopsis(MACRO_PROT_ARGS)
1464: {
1.60 kristaps 1465:
1.151 schwarze 1466: if (~mdoc->flags & (MDOC_SYNOPSIS | MDOC_NEWLINE))
1467: in_line(mdoc, tok, line, ppos, pos, buf);
1468: else if (tok == MDOC_Nm)
1469: blk_full(mdoc, tok, line, ppos, pos, buf);
1470: else {
1471: assert(tok == MDOC_Vt);
1472: blk_part_imp(mdoc, tok, line, ppos, pos, buf);
1473: }
1.1 kristaps 1474: }
1475:
1.24 kristaps 1476: /*
1477: * Phrases occur within `Bl -column' entries, separated by `Ta' or tabs.
1478: * They're unusual because they're basically free-form text until a
1479: * macro is encountered.
1480: */
1.151 schwarze 1481: static void
1.75 kristaps 1482: phrase_ta(MACRO_PROT_ARGS)
1483: {
1.185 schwarze 1484: struct roff_node *body, *n;
1.75 kristaps 1485:
1.121 schwarze 1486: /* Make sure we are in a column list or ignore this macro. */
1.151 schwarze 1487:
1.167 schwarze 1488: body = NULL;
1489: for (n = mdoc->last; n != NULL; n = n->parent) {
1.210 schwarze 1490: if (n->flags & NODE_ENDED)
1.167 schwarze 1491: continue;
1.184 schwarze 1492: if (n->tok == MDOC_It && n->type == ROFFT_BODY)
1.167 schwarze 1493: body = n;
1.208 schwarze 1494: if (n->tok == MDOC_Bl && n->end == ENDBODY_NOT)
1.167 schwarze 1495: break;
1496: }
1497:
1.151 schwarze 1498: if (n == NULL || n->norm->Bl.type != LIST_column) {
1.137 schwarze 1499: mandoc_msg(MANDOCERR_TA_STRAY, mdoc->parse,
1.139 schwarze 1500: line, ppos, "Ta");
1.151 schwarze 1501: return;
1.121 schwarze 1502: }
1.75 kristaps 1503:
1.121 schwarze 1504: /* Advance to the next column. */
1.150 schwarze 1505:
1.167 schwarze 1506: rew_last(mdoc, body);
1.190 schwarze 1507: roff_body_alloc(mdoc, line, ppos, MDOC_It);
1.191 schwarze 1508: parse_rest(mdoc, TOKEN_NONE, line, pos, buf);
1.75 kristaps 1509: }
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